On Tue, May 14, 2013 at 07:44:20PM +0800, Li Zefan wrote: > cgroup_create_file() calls d_instantiate(), which may decide to look > at the xattrs on the file. Smack always does this and SELinux can be > configured to do so. > > But cgroup_add_file() didn't initialize xattrs before calling > cgroup_create_file(), which finally leads to dereferencing NULL > dentry->d_fsdata. > > This bug has been there since cgroup xattr was introduced. > > Cc: <stable@xxxxxxxxxxxxxxx> # 3.8.x > Reported-by: Ivan Bulatovic <combuster@xxxxxxxxxxxx> > Reported-by: Casey Schaufler <casey@xxxxxxxxxxxxxxxx> > Signed-off-by: Li Zefan <lizefan@xxxxxxxxxx> Applied to cgroup/for-3.10-fixes. Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe cgroups" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
